Classify the input using one of these labels: neutral, positive, and negative. @USAirways : i was told my ticket expired but  i never recvd any notice  before it expired .This sucks.i paid 40k miles &amp; $125 for the tckt
system
Classify the input using one of these labels: neutral, positive, and negative. @USAirways : i was told my ticket expired but  i never recvd any notice  before it expired .This sucks.i paid 40k miles &amp; $125 for the tckt
user
negative
assistant
system
Classify the input using one of these labels: neutral, positive, and negative. @USAirways : i was told my ticket expired but  i never recvd any notice  before it expired .This sucks.i paid 40k miles &amp; $125 for the tckt
user
positive
assistant